.container {
    padding-left: 30px;
}
.row {
    position: relative;
    margin-top: 30px;
}
.row_code {
    font-weight: bold;
    color: var(--el-color-primary);
}
.input {
    margin-right: 15px;
    width: 150px;
    font-size: 16px;
}
.remote_video {
    margin-right: 20px;
    vertical-align: top;
    width: 400px;
    border: 1px solid var(--el-border-color);
    border-radius: var(--el-border-radius-base);
    transform: scaleX(-1);
}
.local_video {
    @extend .remote_video;
    width: 150px;
}